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Help with a troubleshooting process

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Old May 7, 2021 | 05:36 PM
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Pistoltwo2's Avatar
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Help with a troubleshooting process

My 2015 5.0 has a whine like a gear box on an old scout or jeep. It's coming from the engine not related to the gear power train. I wish I could post the video and a master mechanic would know it instantly. Could it be the water pump?
I will try and post a video,
Thanks for the great site I have posted over the years with great help and wanted to thx you all in advance, Justin
 

Last edited by Pistoltwo2; May 7, 2021 at 05:44 PM. Reason: Delete
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Old May 7, 2021 | 06:15 PM
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Welcome to FTE, Pistoltwo2

Usually that sound is a bad alternator. I used to drive a police car with that issue, until it was fixed I told people the noise was made by a supercharger.
 
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Old May 7, 2021 | 07:34 PM
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Here is the sound

This is just running the RPMs up a bit....
Agian THANKS FOR ANY HELP.......
 
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Old May 8, 2021 | 11:09 AM
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That does sound a bit like the alternator that JKBrad mentioned.
 
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